evolve - v. to change or develop slowly often into a better, more complex, or more advanced state

miss out - phrasal verb. to lose an opportunity : to be unable to have or enjoy something

abbreviation - n. a shortened form of a word or name that is used in place of the full word or name

slang - n. words that are not considered part of the standard vocabulary of a language and that are used very informally in speech especially by a particular group of people

interjection - n. a spoken word, phrase, or sound that expresses sudden or strong feeling